This photo of a sample of Asbestos Insulating Board (AIB) was recently taken at our in-house testing laboratory.
It shows positive AIB with a very sparkly (from the mica) ”Suplaux” type material appearance. You can also easily see the spiky Amosite fibres present.
We’re sure plenty of surveyors have been caught out by this so please ensure you are not.
All that glitters is not asbestos free!
Click the button below to find out more about our in-house Asbestos Sampling Lab.
Asbestos Insulation Board (AIB) is a common building material that was used extensively in construction during the mid-20th century due to its fire resistance and insulation properties. AIB is a type of asbestos-containing material (ACM) that is made from a mixture of asbestos fibres and other components to create boards used for various purposes. Asbestos, once prized for its strength and heat resistance, was eventually banned in the UK due to its serious health risks, particularly the development of asbestos-related diseases such as mesothelioma, lung cancer, and asbestosis.
Where Was Asbestos Insulation Board Used?
AIB was widely used in buildings constructed or renovated between the 1950s and the late 1980s. It was favoured for its versatility and durability, making it a popular choice in both commercial and residential construction. Common areas where AIB was installed include:
- Ceiling tiles: Often used in suspended ceilings in offices and schools.
- Partition walls: Installed to divide spaces in homes and workplaces.
- Fireproofing panels: Due to its high resistance to fire, AIB was used around structural steelwork and in other areas requiring fire protection.
- Soffits and linings: Used as internal and external linings, particularly in areas exposed to heat.
- Cladding and fascia boards: Found in both internal and external applications to protect surfaces.
- Ducts and pipe coverings: AIB was sometimes used around pipes and ducts as insulation, often in heating systems.
AIB contains a high proportion of asbestos (around 20-40%), making it a particularly hazardous material when disturbed. If the boards are damaged or disturbed during renovation, demolition, or maintenance work, they can release asbestos fibres into the air, posing a significant health risk to anyone exposed.
How to Deal with Suspected AIB: Sampling and Surveys
If you suspect that your property may contain Asbestos Insulation Board, it is essential to take the correct steps to identify and manage it safely. AIB is not always easy to recognise, so it is crucial to seek professional advice rather than attempt any investigation or removal yourself. Here’s what to do if you think AIB may be present:
1. Commission an Asbestos Survey
The first step is to arrange for a professional asbestos survey. There are two main types of asbestos surveys:
- Management Survey: This type of survey is generally suitable for properties in normal occupation. The surveyor will assess the building to identify potential asbestos materials, including AIB, and record its location and condition. If no major renovation or demolition work is planned, this survey is often enough to ensure safe management of asbestos materials.
- Refurbishment/Demolition Survey: This is required if any major work is planned, as it is more invasive and ensures all asbestos materials, including hidden AIB, are identified before work begins. This survey is crucial for ensuring the safety of workers and preventing accidental asbestos exposure.
2. Sampling and Analysis
If a potential asbestos material is found, such as an insulation board, a sample will need to be taken for laboratory testing. Only trained and accredited asbestos professionals should collect samples to avoid releasing asbestos fibres into the air. Samples are then analysed in a specialised laboratory to confirm whether asbestos is present and, if so, the type and quantity of asbestos fibres.
3. Management and Removal
Once asbestos is identified, the course of action depends on its condition. If the AIB is in good condition and undisturbed, it can often remain in place, with regular monitoring to ensure it remains safe. In cases where the AIB is damaged, deteriorating, or located in an area where it could be disturbed, professional removal by a licensed asbestos contractor is necessary.
4. Legal Requirements
In the UK, there are strict regulations surrounding asbestos, including the Control of Asbestos Regulations 2012. Building owners and duty holders are legally required to manage asbestos safely. This includes maintaining an asbestos register and providing clear information to anyone who may disturb asbestos, such as contractors or maintenance workers.
Conclusion
Asbestos Insulation Board (AIB) was once a common building material, but its high asbestos content makes it hazardous when disturbed. Identifying and managing AIB requires professional expertise, from conducting surveys to taking samples and arranging for safe removal, if necessary. If you’re unsure whether a material in your property is AIB, the safest approach is to consult with an accredited asbestos specialist. Proper management and removal will ensure the health and safety of everyone involved and comply with legal obligations.
